r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$inet_group_source_req(r0, 0x0, 0x2e, &(0x7f0000000100)={0x1, {{0x2, 0x0, @multicast2}}}, 0x108) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/mcfilter\x00') preadv(r1, &(0x7f0000000000)=[{&(0x7f0000000100)=""/115, 0x73}], 0x1, 0x6, 0x0)